Security feature with a color progression structure for a value product and/or security product, and value product and/or security document having the security feature
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United States of America Patent
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Sep 12, 2017
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app pub date -
Oct 7, 2013
filing date -
Oct 12, 2012
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Abstract
A novel security feature for a valuable and/or security product is formed by a pattern that is formed on at least one carrier surface and has a color progression structure that is formed with a digital printing method from pattern elements arranged in a grid. The color progression structure is produced with at least two luminescence media that exhibit spectrally different luminescences. The valuable and/or security product according to the invention has one or more product carriers and at least one security feature that is arranged on or in the product carrier or carriers.
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